PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/27-22:27:40
G02     36.5           52.5               10.4 +/-    0.41      12.8 +/-    0.41  0.030 / 0.040
G05     128.5          65.7               11.1 +/-    0.48      12.1 +/-    0.48  0.030 / 0.040
G06     56.7           11.3               10.5 +/-    1.92      28.4 +/-    1.92  0.030 / 0.050
G12     190.7          61.2               13.0 +/-    1.81      14.6 +/-    1.81  0.030 / 0.040
G25     289.8          55.9               10.5 +/-    0.80      12.4 +/-    0.80  0.040 / 0.070
G29     309.8          30.2               10.5 +/-    1.14      18.4 +/-    1.14  0.040 / 0.060